Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Rhizome short, ellipsoid or oval, sometimes with a few short persistent leaf bases; roots descending, then horizontal, proliferous.
Leaves up to 4 leaves but mostly 2, arising from ground level, held at 45-75° from the horizontal, bright to yellowish green.
Petiole up to 2.5 cm long, subterranean for most of its length.
Sterile lamina 10-35 × 5-9.5 mm, elliptic in outline, apex pointed, base narrowly wedge-shaped; fertile segment 3-9 cm long, inserted at or just above the base of the lamina.
Sporangia 8-14 pairs.